interesting. can someone elaborate further? thanks.

I had this very same error message. I found out that the AnyConnect service was configured on a non-standard port: ASA# sh run webvpnwebvpn ! !!!!!!!!!!!!!!!!!!! port 444 ! !!!!!!!!!!!!!!!!!!! enable outside Adding ":444" to the connection URL obviou...

Paolo,what is the basis upon which you suggest IOS upgrade?Is there a specific bug that you know has been resolved?We have experienced troubles that may be the same as the one described by the OP (only with 1841+HWIC-3G+IOS 15.1(1)T1), but I wouldn't...

had the same problem.configuring the line section did the trick:line 0/0/0  script dialer YOUR_CHAT_SCRIPT